VDB-165817 · CVE-2020-27757 · Bug 1894234

ImageMagick up to 7.0.8-67 quantum-private.h ScaleAnyToQuantum integer overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.3	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in ImageMagick up to 7.0.8-67. This vulnerability affects the function ScaleAnyToQuantum of the file /MagickCore/quantum-private.h. This manipulation causes integer overflow. This vulnerability is tracked as CVE-2020-27757. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in ImageMagick up to 7.0.8-67 (Image Processing Software). Affected by this vulnerability is the function ScaleAnyToQuantum of the file /MagickCore/quantum-private.h. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect availability.

The weakness was disclosed 12/09/2020 as 1894234. The advisory is shared at bugzilla.redhat.com. This vulnerability is known as CVE-2020-27757. Technical details are known, but no exploit is available.

Upgrading to version 7.0.8-68 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Image Processing Software

Name

ImageMagick

Version

7.0.8-67

License

open-source

Website

Product: https://www.imagemagick.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.4
VulDB Meta Temp Score: 3.3

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.3
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ImageMagick 7.0.8-68

Timelineinfo

10/27/2020 🔍
12/09/2020 +43 days 🔍
12/09/2020 +0 days 🔍
12/14/2020 +5 days 🔍

Sourcesinfo

Product: imagemagick.org

Advisory: 1894234
Status: Confirmed

CVE: CVE-2020-27757 (🔍)
GCVE (CVE): GCVE-0-2020-27757
GCVE (VulDB): GCVE-100-165817

Entryinfo

Created: 12/09/2020 11:24
Updated: 12/14/2020 12:10
Changes: 12/09/2020 11:24 (40), 12/14/2020 12:03 (5), 12/14/2020 12:10 (18)
Complete: 🔍
Cache ID: 216::103